[PATCH 3/6] ARM: sa1100: include asm/io.h in hackkit leds code

On Wed, Aug 08, 2012 at 02:54:50PM +0200, Arnd Bergmann wrote:

The sa1100 definition of the io_p2v macro has changed in v3.6, and this one
file stopped working because of that.

Without this patch, building hackkit_defconfig results in:

arch/arm/mach-sa1100/leds-hackkit.c: In function 'hackkit_leds_event':
arch/arm/mach-sa1100/leds-hackkit.c:39:4: error: implicit declaration of function 'IOMEM' [-Werror=implicit-function-declaration]

NAK.  Should be linux/io.h